﻿#region License block : MPL 1.1/GPL 2.0/LGPL 2.1
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is the FreeCL.Net library.
 *
 * The Initial Developer of the Original Code is 
 *  Oleksii Prudkyi (Oleksii.Prudkyi@gmail.com).
 * Portions created by the Initial Developer are Copyright (C) 2007-2008
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */
#endregion

using System;
using System.Net; 
using System.Text; 
using System.IO; 
using System.Web; 
using System.IO.Compression;

namespace Translate
{
	/// <summary>
	/// Description of GoogleMultiWordTranslator.
	/// </summary>
	public class GoogleTranslator : Translator
	{
		public GoogleTranslator()
		{
			AddSupportedTranslation(new LanguagePair(Language.Arabic, Language.English));
			
			AddSupportedTranslation(new LanguagePair(Language.Chinese, Language.English));
			AddSupportedTranslation(new LanguagePair(Language.Chinese_CN, Language.Chinese_TW));
			AddSupportedTranslation(new LanguagePair(Language.Chinese_TW, Language.Chinese_CN));
			
			AddSupportedTranslation(new LanguagePair(Language.Dutch, Language.English));
			
			AddSupportedTranslation(new LanguagePair(Language.English, Language.Arabic));
			AddSupportedTranslation(new LanguagePair(Language.English, Language.Chinese_CN));
			AddSupportedTranslation(new LanguagePair(Language.English, Language.Chinese_TW));
			AddSupportedTranslation(new LanguagePair(Language.English, Language.Dutch));
			AddSupportedTranslation(new LanguagePair(Language.English, Language.French));
			AddSupportedTranslation(new LanguagePair(Language.English, Language.German));
			AddSupportedTranslation(new LanguagePair(Language.English, Language.Greek));
			AddSupportedTranslation(new LanguagePair(Language.English, Language.Italian));
			AddSupportedTranslation(new LanguagePair(Language.English, Language.Japanese));
			AddSupportedTranslation(new LanguagePair(Language.English, Language.Korean));
			AddSupportedTranslation(new LanguagePair(Language.English, Language.Portuguese));
			AddSupportedTranslation(new LanguagePair(Language.English, Language.Russian));
			AddSupportedTranslation(new LanguagePair(Language.English, Language.Spanish));
			
			AddSupportedTranslation(new LanguagePair(Language.French, Language.English));
			AddSupportedTranslation(new LanguagePair(Language.French, Language.German));
		
		
			AddSupportedTranslation(new LanguagePair(Language.German, Language.English));		
			AddSupportedTranslation(new LanguagePair(Language.German, Language.French));		
			
			AddSupportedTranslation(new LanguagePair(Language.Greek, Language.English));		
			AddSupportedTranslation(new LanguagePair(Language.Italian, Language.English));
			AddSupportedTranslation(new LanguagePair(Language.Japanese, Language.English));
			AddSupportedTranslation(new LanguagePair(Language.Korean, Language.English));
			AddSupportedTranslation(new LanguagePair(Language.Portuguese, Language.English));
			AddSupportedTranslation(new LanguagePair(Language.Russian, Language.English));
			AddSupportedTranslation(new LanguagePair(Language.Spanish, Language.English));
			
			AddSupportedSubject(SubjectConstants.Common);
			
		}
		
		protected override void DoTranslate(string phrase, LanguagePair languagesPair, string subject, Result result, NetworkSetting networkSetting)
		{
			WebRequestHelper helper = 
				new WebRequestHelper(result, new Uri("http://translate.google.com/translate_t?"), 
					networkSetting, 
					WebRequestContentType.UrlEncoded,
					true);
			
			//query
			//hl=en&ie=UTF8&text=small+test&langpair=en%7Cru			
			string langpair= "langpair=" + GoogleUtils.ConvertLanguagesPair(languagesPair);
			string query = "hl=en&ie=UTF8&text=" + HttpUtility.UrlEncode(phrase, System.Text.Encoding.UTF8 ) + "&" + langpair;
			helper.AddPostData(query);
			
			string responseFromServer = helper.GetResponse();
			result.Translations.Add(StringParser.Parse("<div id=result_box dir=\"ltr\">", "</div>", responseFromServer));
		}
	}
}
